they're on their way to south africa to pay tribute to nelson mandela. tomorrow's national memorial service will serve as a rare reunion of nearly all the living american presidents. president george w. bush and laura bush, also on that plane. and secretary clinton on the plane. president clinton and jimmy carter traveling separately. president george h.w. bush is the only living president not to attend. the 89-year-old is no longer able to travel such long distances. >>> iraq war veteran brutally gunned down while christmas shopping for his parents. 32-year-old national guardsman jim vester was killed responding to a craigslist ad for an ipad in indianapolis. police arrested two teenage brothers and then charging them with murder. in the wake of his death, his friends set up a support fund for his wife and one-year-old son, gavin. you can see them right there. if you're interested in donating, log on to caring.com and search love and support for jamie and his family. >>> he cut off his arm to free him stretch a boulder and inspired the movie "127 hours"